gfx/layers/opengl/ThebesLayerOGL.h
author David Anderson <danderson@mozilla.com>
Mon, 17 Oct 2011 11:52:12 -0700
changeset 105280 f93960a93ad97a56d308bd9ce25d97cbc175d524
parent 105251 016702490661e9371adb4542d1f8e156cd2b94fd
parent 78529 1defa404424da3836586c48f69193f6da40ffdd3
child 105583 8e182985f782e8ec3b3872d2c927ba9e63c156b3
permissions -rw-r--r--
Merge from mozilla-central.

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The Original Code is Mozilla Corporation code.
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 * Portions created by the Initial Developer are Copyright (C) 2009
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 * Contributor(s):
 *   Bas Schouten <bschouten@mozilla.org>
 *
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#ifndef GFX_THEBESLAYEROGL_H
#define GFX_THEBESLAYEROGL_H

#include "mozilla/layers/PLayers.h"
#include "mozilla/layers/ShadowLayers.h"

#include "Layers.h"
#include "LayerManagerOGL.h"
#include "gfxImageSurface.h"
#include "GLContext.h"


namespace mozilla {
namespace layers {

class ThebesLayerBufferOGL;
class BasicBufferOGL;
class ShadowBufferOGL;

class ThebesLayerOGL : public ThebesLayer, 
                       public LayerOGL
{
  typedef ThebesLayerBufferOGL Buffer;

public:
  ThebesLayerOGL(LayerManagerOGL *aManager);
  virtual ~ThebesLayerOGL();

  /** Layer implementation */
  void SetVisibleRegion(const nsIntRegion& aRegion);

  /** ThebesLayer implementation */
  void InvalidateRegion(const nsIntRegion& aRegion);

  /** LayerOGL implementation */
  void Destroy();
  Layer* GetLayer();
  virtual bool IsEmpty();
  virtual void RenderLayer(int aPreviousFrameBuffer,
                           const nsIntPoint& aOffset);

private:
  friend class BasicBufferOGL;

  bool CreateSurface();

  nsRefPtr<Buffer> mBuffer;
};

class ShadowThebesLayerOGL : public ShadowThebesLayer,
                             public LayerOGL
{
public:
  ShadowThebesLayerOGL(LayerManagerOGL *aManager);
  virtual ~ShadowThebesLayerOGL();

  virtual void
  Swap(const ThebesBuffer& aNewFront, const nsIntRegion& aUpdatedRegion,
       OptionalThebesBuffer* aNewBack, nsIntRegion* aNewBackValidRegion,
       OptionalThebesBuffer* aReadOnlyFront, nsIntRegion* aFrontUpdatedRegion);
  virtual void DestroyFrontBuffer();

  virtual void Disconnect();

  // LayerOGL impl
  void Destroy();
  Layer* GetLayer();
  virtual bool IsEmpty();
  virtual void RenderLayer(int aPreviousFrameBuffer,
                           const nsIntPoint& aOffset);

private:
  nsRefPtr<ShadowBufferOGL> mBuffer;
};

} /* layers */
} /* mozilla */
#endif /* GFX_THEBESLAYEROGL_H */